2025-07-18T09:14:57.97Z38.6783332824707-122.8408355712895.23000001907349manualconfirmedUSGS1.33md1Origin/20250718091702.652335.451005Magnitude/20250718091702.652387.451006USGS8 km NNE of Healdsburg, CAregion namenccatalognc75211577contributorID